The World Anti-Doping Agency WADA welcomes the decision announced today by the Court of Arbitration for Sport (CAS) to uphold its appeal and impose a four-year period of ineligibility on the American sprinter Erriyon Knighton, who tested positive for a metabolite of the anabolic steroid, trenbolone, in March 2024. WADA took this appeal to CAS in the interest of fairness for athletes and clean sport, which WADA believes has now been delivered through this decision.
The World Anti-Doping Agency (WADA) has removed Cameroon's national anti-doping organization from its list of non-compliant signatories, effective immediately, following successful completion of required reforms.
Berhane Tesfay, the Eritrean athlete who won the 2025 Copenhagen Marathon, has been provisionally suspended by the Athletics Integrity Unit (AIU) for the presence and use of EPO (erythropoietin), according to an announcement made on July 22, 2025.
The Court of Arbitration for Sport has identified what it calls a "cultural problem" in Brazilian football regarding doping controls, revealing systematic obstruction of anti-doping procedures that extends far beyond a single case.
Flamengo striker Gabriel "Gabigol" Barbosa has had his two-year doping suspension overturned by the Court of Arbitration for Sport (CAS), which acquitted him of charges of attempted tampering with doping control.
Congolese handball player Daniel Morisholombe has been sanctioned with a two-year period of ineligibility following a positive test for the banned substance carboxy-THC, according to a statement by the International Testing Agency (ITA).
Detected in more than 300 cases worldwide, boldenone is involved in nearly 5% of all doping cases involving anabolic steroids.
Canadian swimmer Penelope Oleksiak has accepted a voluntary provisionally suspension after failing to provide whereabout information.
A review done by the Anti-Doping Database shows that many athletes often attend hearings alone, or accompanied by a parent, coach, or agent - not a legal professional. This is a structural imbalance and not fair play.
Hydrochlorothiazide (HCTZ), a diuretic classified as a masking agent, has been linked to 287 doping sanctions worldwide, making it the second most sanctioned substance of its kind, after furosemide. Data from the Anti-Doping Database shows the substance remains prominent across a broad range of sports and countries.